This single-cylinder deadbolt can be locked or unlocked by using the keypad or key from the outside as well as the turn button from the inside. The crisp, clean appearance of the Satin Nickel finish adds to the overall look of the product and brings a modern feel. Featuring SmartKey Security, which protects against advanced break-in techniques and allows you to re-key your lock yourself in seconds SmartKey Security re-key technology is compatible with Kwikset (KW1) keyway or (SC1) keyway options For use on exterior doors where keyed entry and security is needed Easily installs in minutes with just a screwdriver Adjustable backset size and latch Turn piece interior handle type ANSI/BHMA security grade